Related InterviewSolutions

• Explain why stringed musical instruments, like the guitar, are provided with a hollow box. 
• Explain why strings of different thicknesses are provided on a stringed instrument. 
• How do you account for the fact that two strings can be used to give notes of the same pitch and loudness but of different quality?
• How do you account for the fact that two strings can be used to give notes of the same pitch and loudness but of a different quality?
• What is the range of audibility?
• What is meant by an echo? What is the condition necessary for an echo to be heard distinctly?
• Why is an echo not heard when distance between the source of sound and reflection body is less than 10m? 
• Why will an echo not be heard when the distance between the source of sound and the reflecting surface is 10m?
• A person fires a gun while standing at a distance of 850m from a building. If the speed of sound is 350ms, calculate the time in which the person hears an echo of the gun flte. 
• If the man had been standing at a distance of 12m from the cliff would he have heard a clear echo?